#!/usr/bin/env node
"use strict";

const assert = require("node:assert/strict");
const fs = require("node:fs");
const fsp = require("node:fs/promises");
const os = require("node:os");
const path = require("node:path");
const { chromium } = require("playwright");

const BASE_URL = (process.env.MNOTE_WEB_SMOKE_BASE_URL || "http://127.0.0.1:3000").replace(/\/+$/, "");
const UI_TIMEOUT_MS = Number(process.env.MNOTE_SMOKE_UI_TIMEOUT_MS || 30_000);
const CHROMIUM_EXECUTABLE_PATH = process.env.PLAYWRIGHT_CHROMIUM_EXECUTABLE_PATH
  || ["/usr/bin/google-chrome-stable", "/usr/bin/google-chrome", "/snap/bin/chromium", "/usr/bin/chromium"]
    .find((candidate) => fs.existsSync(candidate));

const TASK = "task443-filetree-mindmap-click-active-row-smoke";
const OUT_DIR = path.join(process.cwd(), "tmp", TASK);
const RESULT_PATH = path.join(OUT_DIR, "result.json");
const ACTOR_ID = "user_real";

function fileUrl(localPath) {
  return `file://${localPath}`;
}

function localMdDocumentId(relativePath) {
  return `local-md:${relativePath.replaceAll("/", "~2F")}`;
}

function documentUrl(root, relativePath) {
  const url = new URL(`${BASE_URL}/documents/${encodeURIComponent(localMdDocumentId(relativePath))}`);
  url.searchParams.set("sourceKind", "local_folder");
  url.searchParams.set("rootUri", fileUrl(root));
  url.searchParams.set("treeView", "filetree");
  return url.toString();
}

function writeWorkspaceManifest(root) {
  fs.mkdirSync(path.join(root, ".mnote"), { recursive: true });
  fs.writeFileSync(
    path.join(root, ".mnote", "workspace.json"),
    `${JSON.stringify({
      workspaceId: `local-ws:${ACTOR_ID}:task443`,
      ownerId: ACTOR_ID,
      createdAt: new Date().toISOString(),
      capabilities: ["local_files", "tree_commands", "markdown_edit", "asset_upload"],
    }, null, 2)}\n`,
    "utf8",
  );
}

function writeMindmapFixture(root, stamp) {
  const pageDir = path.join(root, "Task443");
  fs.mkdirSync(pageDir, { recursive: true });
  fs.writeFileSync(
    path.join(pageDir, "Task443.md"),
    [
      "---",
      `title: TEST-443-mindmap-active-${stamp}`,
      "---",
      "",
      "# TEST 443",
      "",
      `[TEST-443-mind-${stamp}](map-${stamp}.mindmap.json)`,
      "",
    ].join("\n"),
    "utf8",
  );
  fs.writeFileSync(
    path.join(pageDir, `map-${stamp}.mindmap.json`),
    `${JSON.stringify({ data: { uid: "root", text: `TEST-443-mind-${stamp}` }, children: [] }, null, 2)}\n`,
    "utf8",
  );
  return {
    relativePath: "Task443/Task443.md",
    documentId: localMdDocumentId("Task443/Task443.md"),
    mindmapFileName: `map-${stamp}.mindmap.json`,
  };
}

async function writeResult(result) {
  await fsp.mkdir(OUT_DIR, { recursive: true });
  await fsp.writeFile(RESULT_PATH, `${JSON.stringify({ ...result, resultPath: RESULT_PATH }, null, 2)}\n`, "utf8");
}

async function waitForMindmapRow(page, mindmapFileName) {
  await page.waitForFunction((fileName) => {
    return Array.from(document.querySelectorAll('#sidebar-file-tree-root .tree-row[data-shell-mode="filetree"]'))
      .some((row) => (row.getAttribute("data-asset-id") || "").includes(fileName));
  }, mindmapFileName, { timeout: UI_TIMEOUT_MS });
}

async function clickMindmapRow(page, mindmapFileName) {
  await page.evaluate((fileName) => {
    const row = Array.from(document.querySelectorAll('#sidebar-file-tree-root .tree-row[data-shell-mode="filetree"]'))
      .find((candidate) => (candidate.getAttribute("data-asset-id") || "").includes(fileName));
    const link = row?.querySelector(".tree-link");
    if (!(link instanceof HTMLElement)) {
      throw new Error(`找不到 mindmap 文件行: ${fileName}`);
    }
    link.click();
  }, mindmapFileName);
}

async function readSelectedFileTreeRows(page) {
  return await page.evaluate(() =>
    Array.from(document.querySelectorAll('#sidebar-file-tree-root .tree-row[data-shell-mode="filetree"][data-selected="true"]')).map((row) => ({
      rowId: row.getAttribute("data-row-id") || "",
      rowKind: row.getAttribute("data-row-kind") || "",
      docId: row.getAttribute("data-document-id") || row.getAttribute("data-doc-id") || "",
      ownerDocumentId: row.getAttribute("data-owner-document-id") || "",
      assetId: row.getAttribute("data-asset-id") || "",
      objectIdentity: row.getAttribute("data-object-identity") || "",
      title: (row.textContent || "").trim().slice(0, 160),
    })),
  );
}

(async () => {
  await fsp.mkdir(OUT_DIR, { recursive: true });
  const root = fs.mkdtempSync(path.join(os.tmpdir(), "mnote-task443-local-mindmap-"));
  const stamp = Date.now().toString().slice(-8);
  writeWorkspaceManifest(root);
  const fixture = writeMindmapFixture(root, stamp);

  const browser = await chromium.launch({
    headless: true,
    ...(CHROMIUM_EXECUTABLE_PATH ? { executablePath: CHROMIUM_EXECUTABLE_PATH } : {}),
  });
  const context = await browser.newContext({
    viewport: { width: 1440, height: 900 },
    extraHTTPHeaders: {
      "x-mnote-actor-id": ACTOR_ID,
      "x-mnote-actor-type": "user",
    },
  });
  const page = await context.newPage();
  const navEvents = [];
  const network = [];
  page.on("framenavigated", (frame) => {
    if (frame === page.mainFrame()) navEvents.push({ at: Date.now(), url: frame.url() });
  });
  page.on("request", (request) => {
    const url = request.url();
    if (url.includes("/mindmap/") || url.includes("/documents/") || url.includes("/api/tree/events")) {
      network.push({ type: "request", method: request.method(), url });
    }
  });

  const result = {
    baseUrl: BASE_URL,
    fixture: { root, ...fixture },
    beforeSelectedRows: [],
    afterSelectedRows: [],
    navEvents,
    network,
    screenshots: [],
  };

  try {
    await page.goto(documentUrl(root, fixture.relativePath), { waitUntil: "domcontentloaded", timeout: UI_TIMEOUT_MS });
    await page.locator('[data-testid="mnote-leptos-tiptap-island-editor-root"]').first().waitFor({
      state: "visible",
      timeout: UI_TIMEOUT_MS,
    });
    await waitForMindmapRow(page, fixture.mindmapFileName);
    result.beforeSelectedRows = await readSelectedFileTreeRows(page);

    await clickMindmapRow(page, fixture.mindmapFileName);
    await page.waitForFunction(
      ({ documentId, fileName }) => {
        const url = new URL(window.location.href);
        if (!url.pathname.includes(`/documents/${encodeURIComponent(documentId)}`)) return false;
        const rt = decodeURIComponent(url.searchParams.get("resourceTab") || "");
        return rt.includes("resource:mindmap:") && rt.includes(documentId) && rt.includes(fileName);
      },
      { documentId: fixture.documentId, fileName: fixture.mindmapFileName },
      { timeout: UI_TIMEOUT_MS },
    );
    await page.waitForFunction((fileName) => {
      return Array.from(document.querySelectorAll('#sidebar-file-tree-root .tree-row[data-shell-mode="filetree"][data-selected="true"]'))
        .some((row) => (row.getAttribute("data-asset-id") || "").includes(fileName));
    }, fixture.mindmapFileName, { timeout: UI_TIMEOUT_MS });
    result.afterUrl = page.url();
    result.afterSelectedRows = await readSelectedFileTreeRows(page);
    const screenshotPath = path.join(OUT_DIR, "after-mindmap-click.png");
    await page.screenshot({ path: screenshotPath, fullPage: true });
    result.screenshots.push(screenshotPath);

    assert(
      result.afterSelectedRows.some((row) => row.assetId.includes(fixture.mindmapFileName)),
      `点击 mindmap 文件行后应保持 asset row 选中: ${JSON.stringify(result.afterSelectedRows)}`,
    );
    assert(
      !result.afterSelectedRows.some((row) => row.rowId === `doc:${fixture.documentId}`),
      `点击 mindmap 文件行后不应闪回父页面行选中: ${JSON.stringify(result.afterSelectedRows)}`,
    );

    await writeResult({ ...result, ok: true });
    console.log(`ok ${TASK} ${RESULT_PATH}`);
  } catch (error) {
    await writeResult({
      ...result,
      ok: false,
      error: error instanceof Error ? error.stack || error.message : String(error),
      currentUrl: page.url(),
    });
    throw error;
  } finally {
    await browser.close().catch(() => null);
    fs.rmSync(root, { recursive: true, force: true });
  }
})().catch((error) => {
  console.error(error instanceof Error ? error.stack || error.message : error);
  process.exit(1);
});